** Also affects: gnome-system-tools (Ubuntu)
Importance: Undecided
Status: New
** Also affects: ubuntu-mate-meta (Ubuntu)
Importance: Undecided
Status: New
** Changed in: lightdm (Ubuntu)
Status: Fix Committed => Invalid
** Changed in: arctica-greeter (Ubuntu)
Status: New => Invalid
** Changed in: gnome-system-tools (Ubuntu)
Status: New => Confirmed
** Changed in: gnome-system-tools (Ubuntu)
Status: Confirmed => Triaged
** Changed in: mate-screensaver (Ubuntu)
Status: New => Invalid
** Changed in: ubuntu-mate-meta (Ubuntu)
Status: New => Triaged
** Changed in: ubuntu-mate-meta (Ubuntu)
Importance: Undecided => Critical
** Changed in: ubuntu-mate-meta (Ubuntu)
Assignee: (unassigned) => Martin Wimpress (flexiondotorg)
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Touch seeded packages, which is subscribed to lightdm in Ubuntu.
https://bugs.launchpad.net/bugs/1706770
Title:
Lock screen can be bypassed when auto-login is enabled.
Status in arctica-greeter package in Ubuntu:
Invalid
Status in gnome-system-tools package in Ubuntu:
Triaged
Status in lightdm package in Ubuntu:
Invalid
Status in mate-screensaver package in Ubuntu:
Invalid
Status in mate-session-manager package in Ubuntu:
Invalid
Status in ubuntu-mate-meta package in Ubuntu:
Triaged
Bug description:
16.04 LTS
=========
Hi,
My machine is set up with full-disk encryption, so it requires a
password when I boot it up. Because of this I thought I would enable
auto-login to avoid having to enter two passwords at boot.
When I leave my computer for short periods of time, I lock it. I
thought this was working fine for a long time, but I've discovered the
lock screen is actually easily bypassable when auto-login is enabled.
All one has to do is click "Switch User" on the lock screen, then
press "Unlock" and the computer unlocks without prompting for a
password.
Perhaps this is just me being an idiot, but I thought this was secure
until now. It seems like either unlocking should always require a
password (otherwise what's the point of locking in the first place) or
it should be made totally obvious that unlocking doesn't actually
require a password (i.e. removing the password box from the lock
screen when auto-login is enabled).
Thanks,
Chris
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